D90 solid rotors? - Defender Source
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  #1  
Old July 24th, 2013, 09:17 PM
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Brett Fritzler
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D90 solid rotors?

I'm sick of my vented/drilled/slotted rotors getting packed full of mud. I'm also sick of spending 45 minutes cleaning out every vent and hole after off roading.
Are there any solid rotor options for a D90? I seemed to recall hearing something about military grade rotors or something?
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  #2  
Old July 25th, 2013, 12:08 AM
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Sure, there are plenty. Try searching on the Atlantic British site. They have tons of options. Here's one:

http://www.roverparts.com/Parts/9995GA.cfm
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Old July 25th, 2013, 12:20 AM
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Brett Fritzler
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Quote:
Originally Posted by Zooraya View Post
Sure, there are plenty. Try searching on the Atlantic British site. They have tons of options. Here's one:

http://www.roverparts.com/Parts/9995GA.cfm
Those are still vented. I'm looking for solid D90 front rotors.
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Old July 25th, 2013, 01:14 AM
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gah...sorry bout that. That's what I get for jumping on the forum while still in the office.
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  #5  
Old July 25th, 2013, 06:30 AM
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Bill Adams
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You can just order the regular old solid rotors. What you'll have to do is take the spacers out of the calipers and get the shorter bolts that hold them together along with the rubber O-rings. You may have to order the caliper seal kit to get just the o rings. These are all on Trevor's website at Rovahfarm.com.
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  #6  
Old July 25th, 2013, 07:27 AM
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just use the stock vented calipers, Ive spent plenty of time in mud and have not had issues with either of my trucks.. those cross drilled rotors are silly
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Old July 26th, 2013, 05:12 PM
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Jamie Austin
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Once the vented rotors are hot, the mud will dry, contract, and eventually get flung out by centrifugal force as you drive.
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  #8  
Old July 26th, 2013, 05:31 PM
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Also have never had problems with vented rotors in mud. The drilled and slotted rotors are your problem not the vented.
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  #9  
Old July 26th, 2013, 05:35 PM
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Brett Fritzler
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Quote:
Originally Posted by diesel_jim View Post
Once the vented rotors are hot, the mud will dry, contract, and eventually get flung out by centrifugal force as you drive.
Nope, not in my experience. This mud has been in there for two months and while it's not my daily driver it's had plenty of opportunity to fling the mud out including a 4 hour highway drive at 70mph. If it actually self evacuated I wouldn't care about it being in there.
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Old July 26th, 2013, 05:36 PM
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If the mud has been in there for 2 months and youve been driving it then whats the big deal? It's a Land Rover right?
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  #11  
Old July 26th, 2013, 10:38 PM
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Confused, I thought the stock Discovery front rotors were solid/non vented (my '96 was -- I always wanted to upgrade them to D90 vented rotors but never got around to it)..

Edit: Okay, I see you mention D90 even though your photo and vehicle are listed at 1998 Discovery. I goofed reading your post, sorry. However, maybe that is your solution, you can swap in Discovery front rotors and calipers. I'm sure you can find a Discovery owner that would swap with you, I wanted to move to vented rotors when I had my Discovery..
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  #12  
Old July 27th, 2013, 12:08 AM
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Brett Fritzler
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The problem is there was quite a bit of mud in there and it was actually causing vibrations.
I have a D1 I upgraded the brakes to D90 stuff because they were supposed to be the shit.
I just thought I had heard about some solid thicker rotors for D90's, military grade or something.
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  #13  
Old July 27th, 2013, 07:09 AM
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Tom Rowe
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Quote:
Originally Posted by fishEH View Post
Nope, not in my experience.
But do you have experience with stock D90 rotors? You say yours are drilled, which isn't stock.
Probably the reason the mud is staying in them is because of the drilled holes. Those fill with mud too and probably act like locating pins for all the mud inside each vent, so it can't get flung out, even when it's dried.
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  #14  
Old July 27th, 2013, 11:58 AM
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Andrew Najarian
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I am switching my NAS 110 from Solid to D90 Vented. The rotors I have on there are brand new, with no miles to speak of, but I now purchased the Wider (Spaced) D90 Calipers and Rotors, so if you would like, I would sell the factory 110 calipers and new non-vented rotors cheap if you want them. Let me know, I guess it would give me the shove I need to finish that job. haha
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